Home / 110,720.60-152,802.88-62,971.10

Finding the Fourth Proportional to 110,720.60, 152,802.88 and 62,971.10

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Solution

The fourth proportional to 110,720.60, 152,802.88 and 62,971.10 is: 86,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.60 : 152,802.88 = 62,971.10 : x
  2. Step 2: Convert to fraction form
    110,720.60/152,802.88 = 62,971.10/x
  3. Step 3: Cross multiply
    110,720.60x = 152,802.88 × 62,971.10
  4. Step 4: Simplify right side
    110,720.60x = 9,622,164,515.33
  5. Step 5: Solve for x
    x = 9,622,164,515.33/110,720.60
  6. Step 6: Final answer
    x = 86,904.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.